Exactly. Anybody who's stuttered at any point in their life knows that there's no 100% cure, you can only work towards speaking more fluently, little by little. So anytime someone speaks in absolutes about how they cured theirs I'm going to be skeptical and have questions. If you don't have answers or data that make sense and support your claims but instead resort to reacting disrespectfully the way OP has, then it just confirms to me that nothing you say is believable.